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Risk and prognostic factors of breast cancer with liver metastases.


ABSTRACT:

Background

Liver metastasis is a significant adverse predictor of overall survival (OS) among breast cancer patients. The purpose of this study was to determine the risk and prognostic factors of breast cancer with liver metastases (BCLM).

Methods

Data on 311,573 breast cancer patients from the Surveillance, Epidemiology, and End Results (SEER) database and 1728 BCLM patients from Fudan University Shanghai Cancer Center (FUSCC) were included. Logistic regression was used to identify risk factors for liver metastasis. Cox proportional hazards regression model was adopted to determine independent prognostic factors in BCLM patients.

Results

Young age, invasive ductal carcinoma, higher pathological grade, and subtype of triple-negative and human epidermal growth factor receptor 2 positive (HER2+) were risk factors for developing liver metastasis. The median OS after liver metastasis was 20.0?months in the SEER database and 27.3?months in the FUSCC dataset. Molecular subtypes also played a critical role in the survival of BCLM patients. We observed that hormone receptor-positive (HR+)/HER2+ patients had the longest median OS (38.0 for SEER vs. 34.0?months for FUSCC), whereas triple-negative breast cancer had the shortest OS (9.0 vs. 15.6?months) in both SEER and FUSCC. According to the results from the FUSCC, the subtype of HR+/HER2+ (hazard ratio (HR)?=?2.62; 95% confidence interval (CI)?=?1.88-3.66; P?ConclusionsBreast cancer patients at a high risk for developing liver metastasis deserve more attention during the follow-up. BCLM patients with HR+/HER2+ subtype displayed the longest median survival than HR+/HER2- and triple-negative patients due to the introduction of HER2-targeted therapy and therefore it should be recommended for HER2+ BCLM patients.

SUBMITTER: Ji L 

PROVIDER: S-EPMC7937288 | biostudies-literature | 2021 Mar

REPOSITORIES: biostudies-literature

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Publications

Risk and prognostic factors of breast cancer with liver metastases.

Ji Lei L   Cheng Lei L   Zhu Xiuzhi X   Gao Yu Y   Fan Lei L   Wang Zhonghua Z  

BMC cancer 20210306 1


<h4>Background</h4>Liver metastasis is a significant adverse predictor of overall survival (OS) among breast cancer patients. The purpose of this study was to determine the risk and prognostic factors of breast cancer with liver metastases (BCLM).<h4>Methods</h4>Data on 311,573 breast cancer patients from the Surveillance, Epidemiology, and End Results (SEER) database and 1728 BCLM patients from Fudan University Shanghai Cancer Center (FUSCC) were included. Logistic regression was used to identi  ...[more]

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